Cherne's Pillow-Style Test-Ball® and Muni-Ball® plugs are great for blocking sewer flow and can also be used for sewer air testing. Made from heavy-duty elastic urethane, these plugs are lightweight, flexible, chemical and petroleum-resistant, and will fit through small-diameter openings. Pillow-style plugs can be tethered with the attached tether bars, and will work in all types of pipe, including ductile iron sizes.

Specification

Nominal Size

27" (700 mm)

Range of Use

26.5"-28.2" (672-717 mm)

Maximum Back Pressure

11 psi (0.76 bar) 25 ft. (7.6 m)

Deflated Length

66" (1700 mm)

Product Weight

18 lbs (8.2 kg)

Inflation Pressure

18 psi (1.24 bar)

Deflated Diameter

12" (305 mm)

Inflation Thread

1/2" (1)

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